If you don't know already, it should be able to shoot straight through the hull if you put it on a blob of silicone. You'll only loose temp but it might be less prone to getting banged.
Doesn't say on it like most batteries do. Here is a link to it. It's an exterior battery for a trail cam, but looks identical to any small engine/motorcycle battery. I've used it to power all kinds of 12v equipment, then plug it in to charge up! www.sportsmansguide.com/product/index/stealth-cam-12v-battery-box-kit?a=450149&szc=000&clrc=000&pm2d=cse-spg-15-pla&gclid=cj0kcqiayracbhdoarisacgfcs48tldz9lvyfmezgh_xy7pw3mw_ysvtvidivab9xvck5b6nuemwwfuaanxwealw_wcb
I love the mount you made for the external transducer..
If you don't know already, it should be able to shoot straight through the hull if you put it on a blob of silicone. You'll only loose temp but it might be less prone to getting banged.
How many amp hours is your battery?
Doesn't say on it like most batteries do.
Here is a link to it. It's an exterior battery for a trail cam, but looks identical to any small engine/motorcycle battery. I've used it to power all kinds of 12v equipment, then plug it in to charge up!
www.sportsmansguide.com/product/index/stealth-cam-12v-battery-box-kit?a=450149&szc=000&clrc=000&pm2d=cse-spg-15-pla&gclid=cj0kcqiayracbhdoarisacgfcs48tldz9lvyfmezgh_xy7pw3mw_ysvtvidivab9xvck5b6nuemwwfuaanxwealw_wcb